.foo
  +border-radius(5px)
  background: red
  // comment
  .omg
    .test
      height: 50px
.bar
  border: 1px solid red
  /*
   * another comment
   * spanning multiple lines
   */
  @media (min-width: 500px)
    width: 50px
.baz
  $grey: #ccc
  // a single-line comment
  // another single-line comment
  .wtf
    @media only screen
      background-color: $grey
